Tetrahedron

Regioselective synthesis of flavone derivatives via DMAP-catalyzed cyclization of o-alkynoylphenols

M Yoshida, Y Fujino, K Saito, T Doi

文献索引：Yoshida, Masahito; Fujino, Yuta; Saito, Koya; Doi, Takayuki Tetrahedron, 2011 , vol. 67, # 51 p. 9993 - 9997

被引用次数: 30

摘要

A catalytic amount of DMAP promoted cyclization of o-alkynoylphenols via a 6-endo cyclization mode leading to flavone derivatives in high yields without forming 5-exo cyclized aurone derivatives. Utilizing this method, methoxy substituted flavone and alkyl substituted γ- benzopyranone derivatives were synthesized.

~91%

~91%

~90%

~20%

~74%

K2CO3-Catalyzed Synthesis of Chromones and 4-Quinolones thro...

[Zhao, Jie; Zhao, Yufen; Fu, Hua Organic Letters, 2012 , vol. 14, # 11 p. 2710 - 2713]

Synthesis of Chromones through LiOtBu/Air??Mediated Oxidatio...

[Zhang, Shuai; Wan, Changfeng; Wang, Qiang; Zhang, Baiqun; Gao, Lingfeng; Zha, Zhenggen; Wang, Zhiyong European Journal of Organic Chemistry, 2013 , # 11 p. 2080 - 2083]

Ionic liquid mediated Cu-catalyzed cascade oxa-Michael-oxida...

[Du, Zhiyun; Ng, Huifen; Zhang, Kun; Zeng, Huaqiang; Wang, Jian Organic and Biomolecular Chemistry, 2011 , vol. 9, # 20 p. 6930 - 6933]

Palladium??Catalyzed Carbonylation Reaction of Aryl Bromides...

[Wu, Xiao-Feng; Neumann, Helfried; Beller, Matthias Chemistry - A European Journal, 2012 , vol. 18, # 40 p. 12595 - 12598]

Ferrocenyl flavonoid-induced morphological modifications of ...

[Monserrat, Jean-Philippe; Tiwari, Keshri Nath; Quentin, Lionel; Pigeon, Pascal; Jaouen, Gerard; Vessieres, Anne; Chabot, Guy G.; Hillard, Elizabeth A. Journal of Organometallic Chemistry, 2013 , vol. 734, p. 78 - 85]